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5) Make a stem plot of the Ages. See anything worth noting?

5) Make a stem plot of the Ages. See anything worth noting?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Make stem plot

**Table: Sociodemographic Data on Pet Ownership** | Age | Gender | Number of Pets over Lifespan | Siblings | Urban or Rural | |-----|--------|-------------------------------|----------|---------------| | 15 | M | 3 | 0 | U | | 30 | M | 3 | 1 | U | | 26 | F | 5 | 1 | U | | 41 | M | 4 | 2 | U | | 82 | F | 12 | 1 | U | | 53 | F | 8 | 3 | R | | 41 | F | 4 | 2 | R | | 32 | F | 5 | 0 | R | | 36 | F | 2 | 0 | R | | 45 | F | 1 | 1 | U | | 27 | M | 3 | 0 | R | | 12 | M | 0 | 4 | U | | 70 | F | 1 | 0 | R | | 54 | M | 6 | 2 | U | | 37 | M | 3 | 1 | R | | 34 | F | 4 | 2 | R | | 49 | M | 2 | 2 | R | | 57 | M | 82 | 1 | R | | 66 | F | 9 | 0 | R | | 14 | F | 3 | 0 | R | **Description:** This table provides data on individuals categorized by age, gender, the number of pets owned over their lifespan, the number of siblings, and whether they live in urban (U) or rural (R) areas. This data can be used for educational research in sociodemographic studies and understanding patterns of pet ownership.
Transcribed Image Text:**Table: Sociodemographic Data on Pet Ownership** | Age | Gender | Number of Pets over Lifespan | Siblings | Urban or Rural | |-----|--------|-------------------------------|----------|---------------| | 15 | M | 3 | 0 | U | | 30 | M | 3 | 1 | U | | 26 | F | 5 | 1 | U | | 41 | M | 4 | 2 | U | | 82 | F | 12 | 1 | U | | 53 | F | 8 | 3 | R | | 41 | F | 4 | 2 | R | | 32 | F | 5 | 0 | R | | 36 | F | 2 | 0 | R | | 45 | F | 1 | 1 | U | | 27 | M | 3 | 0 | R | | 12 | M | 0 | 4 | U | | 70 | F | 1 | 0 | R | | 54 | M | 6 | 2 | U | | 37 | M | 3 | 1 | R | | 34 | F | 4 | 2 | R | | 49 | M | 2 | 2 | R | | 57 | M | 82 | 1 | R | | 66 | F | 9 | 0 | R | | 14 | F | 3 | 0 | R | **Description:** This table provides data on individuals categorized by age, gender, the number of pets owned over their lifespan, the number of siblings, and whether they live in urban (U) or rural (R) areas. This data can be used for educational research in sociodemographic studies and understanding patterns of pet ownership.
**Educational Resource: Data Analysis Exercises** **5) Stem Plot of Ages** - Task: Create a stem plot of the ages provided in the dataset. Observe any notable patterns or unusual data points. **6) Scatter Plot: Age vs. Number of Pets** - Task: Create a scatter plot comparing age with the number of pets. Determine and draw the regression line. - **a. Analyze (DOFS):** Discuss the Direction, Outliers, Form, and Strength of the relationship between age and number of pets. - **b. Prediction:** Estimate the number of pets a newborn might have based on the regression analysis. - **c. Slope Interpretation:** Explain the meaning of the slope of the regression line in context. - **d. \( r^2 \) Value:** Analyze the \( r^2 \) value to assess how well the model explains the variability in the number of pets. - **e. Gender-based Model:** Split the data by gender and create separate regression lines. Compare the two models and discuss any significant differences. **7) Probability Distribution for Number of Siblings** - Task: Construct a probability distribution table for the number of siblings. - **Table Structure:** - Columns: \( x \) (Number of siblings), \( P(x) \) (Probability of each outcome) - **Expected Value:** Calculate the expected number of siblings for individuals in the sample.
Transcribed Image Text:**Educational Resource: Data Analysis Exercises** **5) Stem Plot of Ages** - Task: Create a stem plot of the ages provided in the dataset. Observe any notable patterns or unusual data points. **6) Scatter Plot: Age vs. Number of Pets** - Task: Create a scatter plot comparing age with the number of pets. Determine and draw the regression line. - **a. Analyze (DOFS):** Discuss the Direction, Outliers, Form, and Strength of the relationship between age and number of pets. - **b. Prediction:** Estimate the number of pets a newborn might have based on the regression analysis. - **c. Slope Interpretation:** Explain the meaning of the slope of the regression line in context. - **d. \( r^2 \) Value:** Analyze the \( r^2 \) value to assess how well the model explains the variability in the number of pets. - **e. Gender-based Model:** Split the data by gender and create separate regression lines. Compare the two models and discuss any significant differences. **7) Probability Distribution for Number of Siblings** - Task: Construct a probability distribution table for the number of siblings. - **Table Structure:** - Columns: \( x \) (Number of siblings), \( P(x) \) (Probability of each outcome) - **Expected Value:** Calculate the expected number of siblings for individuals in the sample.
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